Fs2002 Reliability Factor Version 1. 2 For Microsoft Flight Simulator 2002 Fs2002 Reliability Factor Allows You To Set The Reliability Percentage Based On A Number Of Hours Of Operation For Over Sixty Flight Simulator Sub-systems Grouped In Seven System Categories: Autopilot, Control, Electrical, Engine, Fuel, Instrument And Radio. It Will Then Simulate Sub-system Failures During Flight Based On Those Factors.